If the Public Does Not Believe the Government's Claim That

If the public does not believe the government's claim that it will pursue low inflation policies, and the government then goes ahead and adopts an expansionary policy as the public expected, then

A) the IA line will shift up after the AD curve shifts right.
B) the IA line will shift down after the AD curve shifts right.
C) real GDP will increase.
D) the IA line will shift up before the AD curve shifts right.
E) the IA line will shift down before the AD curve shifts right.